<template>
  <div>
    <div class="login-container">
      <el-form
        class="login-form"
        :model="loginForm"
        :rules="rules"
        ref="loginFormRef"
      >
        <div class="title-container">
          <h3 class="title">{{ $t('login.title') }}</h3>
          <lang-select
            :effect="light"
            class="login_langSelect-container"
          ></lang-select>
        </div>
        <!-- username -->
        <el-form-item prop="username">
          <span class="svg-container">
            <svg-icon icon="user"></svg-icon>
          </span>

          <el-input
            placeholder="username"
            v-model="loginForm.username"
            name="username"
            type="text"
          ></el-input>
        </el-form-item>
        <!-- password -->
        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon icon="password"></svg-icon>
          </span>
          <el-input
            placeholder="password"
            :type="passwordType"
            name="username"
            v-model="loginForm.password"
          ></el-input>
          <span
            class="show-pwd"
            @click="changePasswordType"
          >
            <span class="svg-container">
              <svg-icon :icon="passwordType === 'password' ? 'eye' : 'eye-open'"></svg-icon>
            </span>
          </span>
        </el-form-item>
        <!-- 登录按钮 -->
        <el-button
          :loading="loading"
          type="primary"
          style="width: 100%; margin-bottom: 30px"
          @click="login"
        >{{ $t('login.loginBtn') }}</el-button>
        <div
          class="tips"
          v-html="$t('login.desc')"
        ></div>
      </el-form>
    </div>
  </div>
</template>

<script setup>
import LangSelect from '@/components/LangSelect'
import { computed, ref } from 'vue'
import { useStore } from 'vuex'
import { useRouter } from 'vue-router'
import { validatorPassword } from './rules'
import { setTimeStamp } from '@/utils/auth'
import { useI18n } from 'vue-i18n'
const i18n = useI18n()
const loginForm = ref({
  username: 'admin',
  password: '123456'
})
const rules = ref({
  username: [
    {
      required: true,
      message: computed(() => i18n.t('login.usernameRule')),
      trigger: 'blur'
    }
  ],
  password: [
    {
      required: true,
      validator: validatorPassword(),
      trigger: 'blur'
    }
  ]
})
// 切换密码展示类型
const passwordType = ref('password')
const changePasswordType = () => {
  if (passwordType.value === 'password') {
    passwordType.value = 'text'
  } else {
    passwordType.value = 'password'
  }
}
// 登录
const loading = ref(false)
const store = useStore()
const router = useRouter()
const loginFormRef = ref(null)
const login = () => {
  loginFormRef.value.validate((valid) => {
    if (!valid) return false
    loading.value = true
    store
      .dispatch('user/login', loginForm.value)
      .then(() => {
        loading.value = false
        router.push('/')
        setTimeStamp()
      })
      .catch((err) => {
        loading.value = false
        console.log(err)
      })
  })
}
</script>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;
$cursor: #fff;

.login-container {
  min-height: 100vh;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;

    :deep(.el-form-item) {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }

    :deep(.el-input) {
      display: inline-block;
      height: 47px;
      width: 85%;

      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 47px;
        caret-color: $cursor;
      }
    }
    :deep(.login_langSelect-container) {
      position: absolute;
      top: 4px;
      right: 0;
      background-color: white;
      font-size: 22px;
      padding: 4px;
      border-radius: 4px;
      cursor: pointer;
    }
    .tips {
      font-size: 16px;
      line-height: 20px;
      color: #fff;
      margin-bottom: 10px;

      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
